PETG CF Filament

PETG CF filament combines the reliable printability of PETG with the structural stiffness of chopped carbon fibre. The result is a material that resists flex under

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1 product

  • PETG CF 1.75mm 3D Printer Filament Spool – FilamentHub PETG CF 1.75mm 3D Printer Filament Spool Label – FilamentHub

    PETG-CFRP-CF

    PETG-CFRP-CF

    FilamentHub

    $29.99 AUD
    inc GST $29.99 AUD

mechanical load, holds tight dimensional tolerances, and prints without the warping issues common to other high-performance filaments. It is used across drone frames, automotive brackets, tooling jigs, structural enclosures, and any application where a standard PETG filament or ABS filament would flex or deform under stress.

FilamentHub stocks PETG CF with same-day dispatch and local pickup available at Oran Park, NSW. If you are unsure whether your hotend setup is configured for carbon-reinforced materials, contact us and we can help you get your settings dialled in before you start.

What Carbon Fibre Adds to PETG

Standard PETG is valued for its ease of printing, layer adhesion, and chemical resistance. Adding chopped carbon fibre strands to the matrix increases rigidity significantly without making the material brittle. The fibre reinforcement also reduces shrinkage during cooling, which means large-format parts hold their shape better across the full print and are less prone to corner lifting or dimensional drift.

The surface finish of PETG CF differs noticeably from standard PETG. The carbon particles produce a matte, textured appearance that reduces the visibility of layer lines, giving finished parts a more refined look without post-processing. For projects that combine aesthetic requirements with functional demands, this is a practical advantage over glossy or semi-transparent standard materials.

PETG CF also retains the moisture and chemical resistance of the base PETG material, making it suitable for industrial environments and applications involving exposure to oils, solvents, or humidity. For parts that face sustained UV exposure outdoors, ASA filament is the more appropriate choice. For higher-temperature or more demanding structural applications, the full engineering filament range offers further options.

Frequently Asked Questions

Does PETG CF require a special nozzle?

 Yes. Carbon fibre is abrasive and will wear through a standard brass nozzle quickly, widening the aperture and reducing print accuracy over time. A hardened steel or ruby-tipped nozzle is required for consistent, long-term printing with PETG CF and any other carbon-reinforced filament.

Is PETG CF harder to print than standard PETG?

Most users find it comparable or easier in some respects. The carbon fibre strands reduce stringing and improve dimensional stability during printing. Warping is minimal, and the material adheres well to PEI sheets and glass beds without requiring an enclosure, unlike ABS-based materials.

Does PETG CF need to be dried before printing?

Like all PETG-based materials, PETG CF is hygroscopic and absorbs moisture from the air over time. For best surface finish and to prevent popping or bubbling at the nozzle, dry the spool at 60°C to 65°C for several hours before use, particularly in humid coastal regions of Australia.

How does PETG CF compare to PLA CF or ABS CF?

PETG CF offers better chemical and moisture resistance than PLA CF, and prints with less warping than ABS CF, making it easier to work with in open-frame printers. PLA CF is the most accessible of the three but has lower heat resistance. ABS CF offers higher temperature tolerance but requires more controlled print conditions.

Can I pick up PETG CF filament locally?

Yes. FilamentHub offers local pickup at Harrington Park, NSW at almost any day or time by arrangement. Contact us to confirm stock availability and arrange a convenient time.